Answer:
A precipitate forms; the colour changes.
Step-by-step explanation:
The formation of a precipitate a colour change are always signs that a chemical reaction has occurred.
A, B, C, and D are <em>wrong.</em> They are signs of a reaction, but you did not observe them here.
If countries are on plate boundaries, such as Japan, they are more prone to earthquakes. If countries are above hot spots, such as Hawaii, they are more prone to volcanoes.
Answer:
There is no difference because both potatoes are made of the same type of molecules.
Answer:
the greenhouse effect occurs in the earths atmosphere
The statement that is
untrue concerning a reversible reaction is The reaction always spends equal time in the forward and reverse
direction. The answer is letter B. The reset of the statements are true
concerning the reversible reaction.
